US Bridges

I-15NB Rp.To SR270 over 1300 South Street

Fair

Salt Lake County, Utah · 450 West 1300 So.St. Slc. · Structure no. 1F 656

Built
2000
25 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
184 ft
3 main spans
Daily traffic
11,490
2012 count
Owner
State
State Highway Agency

About this bridge

I-15NB Rp.To SR270 over 1300 South Street is a prestressed concrete continuous stringer/multi-beam or girder carrying I-15NB Rp.To SR270 over 1300 South Street in Salt Lake County, Utah. It was built in 2000, so it is 25 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,490 vehicles a day, roughly 25% of them trucks, projected to reach 14,363 by 2032. The structure is 184 ft (56.1 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-15NB Rp.To SR270
Crosses1300 South Street
Location450 West 1300 So.St. Slc.
RouteState Highway 15
StateUtah
Coordinates40.74132, -111.90323
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating57.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length184 ft (56.1 m)
Longest span112 ft (34.2 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,490 (2012)
Projected traffic14,363 by 2032
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-15NB Rp.To SR270 over 1300 South Street built?

It was built in 2000, making it 25 years old in 2025.

What condition is I-15NB Rp.To SR270 over 1300 South Street in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does I-15NB Rp.To SR270 over 1300 South Street carry?

About 11,490 vehicles per day (2012 count), of which roughly 25% are trucks.

How long is I-15NB Rp.To SR270 over 1300 South Street?

The structure is 184 ft (56.1 m) long with a longest span of 112 ft (34.2 m) and a deck 42 ft wide.

Who owns I-15NB Rp.To SR270 over 1300 South Street?

It is owned by the State Highway Agency.